Home / 11,871.04-17,811.12-4,075.36

Finding the Fourth Proportional to 11,871.04, 17,811.12 and 4,075.36

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Solution

The fourth proportional to 11,871.04, 17,811.12 and 4,075.36 is: 6,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.04 : 17,811.12 = 4,075.36 : x
  2. Step 2: Convert to fraction form
    11,871.04/17,811.12 = 4,075.36/x
  3. Step 3: Cross multiply
    11,871.04x = 17,811.12 × 4,075.36
  4. Step 4: Simplify right side
    11,871.04x = 72,586,726.00
  5. Step 5: Solve for x
    x = 72,586,726.00/11,871.04
  6. Step 6: Final answer
    x = 6,114.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.